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The equation of the pair of straight lin...

The equation of the pair of straight lines, each of which makes an angle `alpha` with the line `y=x` is

A

`x^(2)-2xy+y^(2)=0`

B

`x^(2)-2cosecalphaxy+y^(2)=0`

C

`x^(2)-secalphaxy+y^(2)=0`

D

`x^(2)-2sec2alphaxy+y^(2)=0`

Text Solution

Verified by Experts

The correct Answer is:
D
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NIKITA PUBLICATION-PAIR OF STRAIGHT LINES-MULTIPLE CHOICE QUESTIONS
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  3. The equation of the pair of straight lines, each of which makes an ang...

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  7. Joint equation of two lines through the origin each making angle of 60...

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  8. Joint equation of two lines, through the origin, each making an angle ...

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  9. Find the joint equation of the pair of lines through the origin and ma...

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  10. Find the joint equation of the pair of lines through the origin and ma...

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  11. The joint equation of pair of lines through the origin and making an e...

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  12. The joint equation of pair of lines through the origin and making an e...

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  13. If the slope of one of the lines given by ax^(2)+2hxy+by^(2)=0 is 5 ti...

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  14. The line x + y = sqrt6, forms an equilateral triangle with the lines x...

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  15. The line x + y = sqrt6, forms an equilateral triangle with the lines x...

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  16. The line x + y = sqrt6, forms an equilateral triangle with the lines x...

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  17. The line 3x - 4y + 5 = 0 and 3(3y + 4x)^2 - (3x – 4y)^2 = 0 forms a tr...

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  18. If the lines kx^(2)+6xy+2y^(2)=0 and x+3y=9 form an isosceles triangle...

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  19. Triangle formed by x^(2)-3y^(2)=0 and x=4 is

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  20. The triangle formed by the lines 10x^(2)+21xy-10y^(2)=0 and 7x+3y=4 I ...

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